Department of Biostatistics, Johns Hopkins School of Public Health
32 individuals, 6 minutes of walking each
100% rank-1 accuracy (Koffman et al. 2023)
153 individuals, 3 minutes of walking each
Two sessions, at least 1 week apart
Rank-1 (rank-5) % accuracies
Process outline
ADaptive Empirical Pattern Transformation (ADEPT) (Karas et al. 2019)
stepcount (Small et al. 2024)
Questions
| Dataset | Model | Rank 1 | Rank 1% | Rank 5 | Rank 5% |
|---|---|---|---|---|---|
|
Random (n=13,367) |
Logistic | 9.7 | 68 | 21 | 93 |
| Oversampled at 10% | 41 | 68 | 95 | 99 | |
| Weighted | 34 | 96 | 61 | 100 | |
| Two-stage | 20 | 68 | 37 | 93 | |
|
Temporal (n=10,770) |
Logistic | 0.028 | 26 | 5.1 | 49 |
| Oversampled at 10% | 4.3 | 32 | 10 | 52 | |
| Weighted | 1.8 | 23 | 5.1 | 45 | |
| Two-stage | 5.2 | 26 | 10 | 49 |
tinyurl.com/koff-enar25